From patchwork Mon Jul 12 06:09:33 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 475699 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 51525C11F7C for ; Mon, 12 Jul 2021 07:19:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 38A06611ED for ; Mon, 12 Jul 2021 07:19:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242294AbhGLHW0 (ORCPT ); Mon, 12 Jul 2021 03:22:26 -0400 Received: from mail.kernel.org ([198.145.29.99]:59036 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239033AbhGLHVI (ORCPT ); Mon, 12 Jul 2021 03:21:08 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id DC13B61166; Mon, 12 Jul 2021 07:18:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1626074299; bh=jLLKyQbGcR94mhr7nkAhK74b0FMOP2YMi8Q6DFDCnio=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=UDfVqiOFLQmPBIXwtp5pGjiOCNBlvxizMtgyot9os77nzAtQoCHwEBsEAdyXJLXRD VTZXCTyQ89woVxfS/c1nwswkzv4xiU2TpMFFkeCVtyLym0Nj8I4Y1nU58hyzlnOAFd Orlzmn03C8XaR0NnFcQrC6+wPsuooddg02bkedv4= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Lior Nahmanson , Antoine Tenart , "David S. Miller" , Sasha Levin Subject: [PATCH 5.12 490/700] net: atlantic: fix the macsec key length Date: Mon, 12 Jul 2021 08:09:33 +0200 Message-Id: <20210712061028.679392635@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210712060924.797321836@linuxfoundation.org> References: <20210712060924.797321836@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Antoine Tenart [ Upstream commit d67fb4772d9a6cfd10f1109f0e7b1e6eb58c8e16 ] The key length used to store the macsec key was set to MACSEC_KEYID_LEN (16), which is an issue as: - This was never meant to be the key length. - The key length can be > 16. Fix this by using MACSEC_MAX_KEY_LEN instead (the max length accepted in uAPI). Fixes: 27736563ce32 ("net: atlantic: MACSec egress offload implementation") Fixes: 9ff40a751a6f ("net: atlantic: MACSec ingress offload implementation") Reported-by: Lior Nahmanson Signed-off-by: Antoine Tenart Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/aquantia/atlantic/aq_macsec.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_macsec.h b/drivers/net/ethernet/aquantia/atlantic/aq_macsec.h index f5fba8b8cdea..a47e2710487e 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_macsec.h +++ b/drivers/net/ethernet/aquantia/atlantic/aq_macsec.h @@ -91,7 +91,7 @@ struct aq_macsec_txsc { u32 hw_sc_idx; unsigned long tx_sa_idx_busy; const struct macsec_secy *sw_secy; - u8 tx_sa_key[MACSEC_NUM_AN][MACSEC_KEYID_LEN]; + u8 tx_sa_key[MACSEC_NUM_AN][MACSEC_MAX_KEY_LEN]; struct aq_macsec_tx_sc_stats stats; struct aq_macsec_tx_sa_stats tx_sa_stats[MACSEC_NUM_AN]; }; @@ -101,7 +101,7 @@ struct aq_macsec_rxsc { unsigned long rx_sa_idx_busy; const struct macsec_secy *sw_secy; const struct macsec_rx_sc *sw_rxsc; - u8 rx_sa_key[MACSEC_NUM_AN][MACSEC_KEYID_LEN]; + u8 rx_sa_key[MACSEC_NUM_AN][MACSEC_MAX_KEY_LEN]; struct aq_macsec_rx_sa_stats rx_sa_stats[MACSEC_NUM_AN]; };